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- No marked nitrate pollution in the groundwater was found, mainly because the nitrate transport to underground water was impeded by the heavy clay soil. 地下水中的硝态氮污染现象不显著，主要由于土壤质地黏重，阻碍了硝态氮向地下水中的运移。
- Effects of micronutrients chelated lignosulfonate onsoil fertility and nitrate pollution control in lettucehas been studied by soil culture and sand culturerespectively. 通过土培、沙培盆栽试验,研究了木质素螯合微肥对生菜硝酸盐污染与土壤肥力的影响。
- Pan Jiahua, Comparative effectiveness of discharge and input control for reducing nitrate pollution, Environment Management, Vol. 18 (1): 33-42 (Springer-Verlag, New York, 1994). 潘家华：环境问题的经济理论与应用，世界经济(北京)，1994年第9期，第46-52页。
- The article investigated the quality of shallow groundwater in the northern part of Cretaceous Ordos Basin,analyzes distribution characteristics of the nitrate pollution in the working area. 本文通过调查鄂尔多斯白垩系盆地北部潜水水质,分析了工作区内硝酸盐污染的分布特征。
- Zhang W L,Tian Z X,Zhang N et al.The survey of groundwater nitrate pollution by reason of superfluous nitrogen fertilization in North China[J].Plant Nutr.Fert.Sci.,1995,1(2):80-87. [9]张维理;田哲旭;张宁;等.;我国北方农用氮肥造成地下水硝酸盐污染的调查[J]
- NITRATE POLLUTION OF GROUNDWATER IN URBAN AREA 城市地下水硝酸盐污染及其成因分析
- Investigation of Nitrate Pollution in Vegetables 蔬菜中硝酸盐污染情况调查
- Investigating on the nitrate pollution of vegetable in Xi'an region 西安市蔬菜中硝酸盐污染调查
- Study on Nitrate Pollution of Groundwater in Vegetable Producing Area in Wanbei 皖北蔬菜产区地下水硝酸盐污染研究
- Study on the Nitrate Pollution in Vegetables and Fruits in Zhengzhou 郑州市主要蔬菜和水果硝酸盐污染状况调查
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- Keywords nitrate pollution;catalysts;denitrification;activ ity;selectivity.; 硝酸盐;催化剂;脱氮;活性;选择性;
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧，土壤的酸化越来越严重。
- Nitrate of soda may be sown on pasture that does not eat off. 可以把硝酸钠撒在牧草还没有吃光的草地上。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Pollution has stripped the trees of their foliage. 污染剥光了这些树的叶子。
